AT&T II User Manual

This chapter explains how to install the premises equipment. It begins with
general guidelines to consider before installation, followed by an example
configuration. It ends with step-by-step instructions for connecting and testing
the components.

Before installation you should review Forms A and B of the  System Planner  to
identify the type of equipment that should be connected to the extension jacks

for your system.

The following terms are used in this chapter. In addition, you may wish to review
the “Terminology” section of “About This Guide, ” which defines basic terms

The bottom and rear portion of the plastic housing that makes

up a carrier. The backplane distributes power to the
premises equipment, and has slots where the modules are
installed.

Molded plastic housing, made up of a backplane and cover,

which holds the equipment controller modules. Your
configuration contains at least the primary carrier and can be
expanded to include an expansion carrier.

An extension that has two devices connected to it using a

special connector called a bridging adapter. Combination
extensions can connect two industry-standard devices or an

industry-standard device and an MLS- or MLC-model phone,
but not two MLS- or MLC-model phones.

Installing the Equipment